/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/Facades/CollectionTransformFacade.h
Returns the child indicesfrom the collection. Null if not initialized.
const [TManagedArray](API\Runtime\Chaos\GeometryCollection\TManagedArray)< [TSet](API\Runtime\Core\Containers\TSet)< int32 > > * FindChildren() const